- Systems and Data Security 30
- Cryptology 28
- Algorithm Analysis and Problem Complexity 17
- Management of Computing and Information Systems 14
- Discrete Mathematics in Computer Science 12
- Computer Communication Networks 11
- Coding and Information Theory 10
- Computers and Society 3
- Data Structures and Information Theory 3
- Information Systems Applications (incl. Internet) 3
- Special Purpose and Application-Based Systems 3
- Applications of Mathematics 2
- Artificial Intelligence 2
- Control Structures and Microprogramming 2
- Mathematics of Computing 2
- Security Services 2
- Theory of Computation 2
- Computation by Abstract Devices 1
- Computer Hardware 1
- Computer Imaging, Vision, Pattern Recognition and Graphics 1